tokevenGPTvsMoonshot (Kimi)
GPT 5.6 Terra vs Kimi K3
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
GPT 5.6 Terra
Mid-tierKimi K3
FlagshipInput $/MTok
$2.00
$3.00
Output $/MTok
$12.00
$15.00
Cache discount
90% off
90% off
Context
922K
1M
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
64
vs
0
Code Review
84
vs
0
Summarization
64
vs
0
Q&A
92
vs
0
Extraction
75
vs
0
Reasoning
91
vs
0
Classification
89
vs
0
Creative Writing
67
vs
0
GPT 5.6 Terra
Kimi K3
Guidance
When to use GPT 5.6 Terra vs Kimi K3
Choose GPT 5.6 Terra when...
- -Cost matters: 33% cheaper on input tokens
Choose Kimi K3 when...
- -You need a larger context window (1M vs 922K)
- Similar performance; consider provider preference or ecosystem fit.
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
GPT 5.6 Terra
Kimi K3
100K tokens
$0.50Cheaper
$0.66
1M tokens
$8.20
$6.60Cheaper
10M tokens
$82.00
$66.00Cheaper
FAQ
When should I use GPT 5.6 Terra instead of Kimi K3?
GPT 5.6 Terra and Kimi K3 perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is Kimi K3 cheaper than GPT 5.6 Terra?
Kimi K3 input costs $3.00/MTok, which is 50% more than GPT 5.6 Terra at $2.00/MTok.
What are the context window sizes for GPT 5.6 Terra and Kimi K3?
GPT 5.6 Terra has a 922K token context window. Kimi K3 has a 1M token context window.
Go deeper on either model
Per-call cost calculators, provider lineups, and price history for both models on this page.
Other comparisons
How GPT 5.6 Terra and Kimi K3 stack up against the rest of the field.
Track your real costs
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.